Advertisements
Advertisements
प्रश्न
Mention the importance of the position of the testes in humans.
Advertisements
उत्तर
The testes are positioned in such a way hanging out from the body in scrotal sac that provides optimal temperature 2°C to 3°C lower than internal body temperature for effective sperm production.
संबंधित प्रश्न
Give appropriate biological/technical terms for the following:
The kind of twins formed from two fertilized eggs.
Give scientific reasons: When an ovum gets fertilized, menstrual cycle stops temporarily in a woman.
What is the scientific name of womb?
Mention the two functions of human testis.
Describe in brief the role of vas deferens in human male reproductive system.
Pollen grains are formed by ______ division in locules of anthers.
Sketch and label human female reproductive system.
Is the woman responsible for sex-determination of child? Justify your answer.
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| (i) Acrosome
(ii) Ovulation (iii) Sperm (iv) Menopause (v) Implantation (vi) Fertilization (vii) Contraception in males |
(a) Male gamete
(b) Oviduct (c) Uterus (d) Spermatozoa (e) Progesterone (f) Stoppage of the menstrual cycle (g) Sudden change in genes |
The following is the illustration of the sequence of ovarian events (a-i) in a human female.
Write the difference between C and H.
Cryptorchidism is a condition where ______.
